<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <!-- 包含公共顶部文件 -->
    <th:block th:insert="~{top.html}"></th:block>
</head>

<body>

<span th:text="${session.errorMessage}"></span>


<th:block th:insert="~{bottom.html}"></th:block>
</body>
</html>